Profound boredom is the root of all innovation. This paper covers it well, but every substantive project I worked on started offline with limited technical resources and lots of time to kill (metasploit, recog, runzero): https://www.bath.ac.uk/announcements/social-media-may-prevent-users-from-reaping-creative-rewards-of-profound-boredom-new-research/

Offline doesn't mean no computing, just lack of boredom-driven-page-reloading. So erm, if you are seeing this, drop into offline mode, find a park, and fidget until you find something all-engrossing to sink your time into.